/*
* Copyright 2003-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.smodel.adapter.structure.language;
import jetbrains.mps.smodel.Language;
import jetbrains.mps.smodel.adapter.structure.FormatException;
import jetbrains.mps.smodel.adapter.structure.concept.SConceptAdapterById;
import jetbrains.mps.smodel.adapter.structure.concept.SInterfaceConceptAdapterById;
import jetbrains.mps.smodel.language.LanguageRuntime;
import jetbrains.mps.smodel.runtime.ConceptDescriptor;
import jetbrains.mps.smodel.runtime.StructureAspectDescriptor;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.openapi.language.SAbstractConcept;
import org.jetbrains.mps.openapi.language.SLanguage;
import org.jetbrains.mps.openapi.module.SDependency;
import org.jetbrains.mps.openapi.module.SDependencyScope;
import org.jetbrains.mps.openapi.module.SModuleReference;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
public abstract class SLanguageAdapter implements SLanguage {
public static final String ID_DELIM = ":";
protected final String myLanguageFqName;
protected SLanguageAdapter(@NotNull String language) {
this.myLanguageFqName = language;
}
@Nullable
public abstract LanguageRuntime getLanguageDescriptor();
@Override
@Nullable
public abstract Language getSourceModule();
@Override
public abstract SModuleReference getSourceModuleReference();
@Override
@NotNull
public String getQualifiedName() {
return myLanguageFqName;
}
@Override
public boolean isValid() {
return getLanguageDescriptor() != null;
}
@Override
public Iterable<SAbstractConcept> getConcepts() {
LanguageRuntime runtime = getLanguageDescriptor();
if (runtime == null) {
return Collections.emptySet();
}
StructureAspectDescriptor struc = getLanguageDescriptor().getAspect(StructureAspectDescriptor.class);
if (struc == null) {
return Collections.emptyList();
}
ArrayList<SAbstractConcept> result = new ArrayList<SAbstractConcept>();
for (ConceptDescriptor cd : struc.getDescriptors()) {
if (cd.isInterfaceConcept()) {
result.add(new SInterfaceConceptAdapterById(cd.getId(), cd.getConceptFqName()));
} else {
result.add(new SConceptAdapterById(cd.getId(), cd.getConceptFqName()));
}
}
return result;
}
@Override
public Iterable<SModuleReference> getLanguageRuntimes() {
Set<SModuleReference> runtimes = new HashSet<SModuleReference>();
Language sourceModule = getSourceModule();
if (sourceModule == null) {
return Collections.emptyList();
}
// XXX RuntimesOfUsedLanguageCalculator uses this method in its source strategy. I wonder if this logic matches
// what we generate during the build into module deployment descriptor (so that source and packaged strategies match).
HashSet<Language> processed = new HashSet<>();
ArrayDeque<Language> queue = new ArrayDeque<>(sourceModule.getAllExtendedLanguages());
while (!queue.isEmpty()) {
Language language = queue.removeFirst();
if (!processed.add(language)) {
continue;
}
runtimes.addAll(language.getRuntimeModulesReferences());
// GeneratesInto doesn't qualify as 'true' language runtime, it's rather generator aspect, however, for the time being,
// while we transit from using 'Extends' between languages to 'GenerateInto' to grab runtime modules, keep them together
// although GlobalModuleDependenciesManager might be better place to care about this kind of dependency. Anyway,
// we likely need to move both true RT and 'GeneratesInto' to LanguageRuntime to get rid of source module use here.
for (SDependency dep : language.getDeclaredDependencies()) {
if (dep.getScope() == SDependencyScope.GENERATES_INTO && dep.getTarget() instanceof Language) {
Language target = (Language) dep.getTarget();
queue.addAll(target.getAllExtendedLanguages());
}
}
}
return runtimes;
}
public int getLanguageVersion() {
LanguageRuntime languageDescriptor = getLanguageDescriptor();
if (languageDescriptor == null) {
return -1;
}
return languageDescriptor.getVersion();
}
@Override
public String toString() {
return myLanguageFqName;
}
public abstract String serialize();
public static SLanguageAdapter deserialize(String s) {
if (s.startsWith(SLanguageAdapterById.LANGUAGE_PREFIX)) {
return SLanguageAdapterById.deserialize(s);
} else if (s.startsWith(InvalidLanguage.INVALID_PREFIX)) {
return InvalidLanguage.deserialize(s);
} else {
throw new FormatException("Illegal language type: " + s);
}
}
}